the image of an object formed by a lens is of magnification-1.if the distance between the object and its image is 60cm, what is the focal length of the lens? if the object is moved 20cm towards the lens, where would the image be formed ? state the reason and also draw the diagram in support of your answer.
pls pls pls write it down on notebook? and give full answer
Ayushasutkar:
Which lens???
concave or convex
-1 magnification means convex
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Is the answer of your question
Is the answer of your question
Which lens did u consider in first??
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